94219993 has 12 divisors (see below), whose sum is σ = 115372560. Its totient is φ = 76508712.

The previous prime is 94219987. The next prime is 94220003. The reversal of 94219993 is 39991249.

It is a de Polignac number, because none of the positive numbers 2^k-94219993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94219963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49671 + ... + 51532.

It is an arithmetic number, because the mean of its divisors is an integer number (9614380).

Almost surely, 2^94219993 is an apocalyptic number.

It is an amenable number.

94219993 is a deficient number, since it is larger than the sum of its proper divisors (21152567).

94219993 is a wasteful number, since it uses less digits than its factorization.

94219993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101236 (or 101229 counting only the distinct ones).

The product of its digits is 157464, while the sum is 46.

The square root of 94219993 is about 9706.6983573201. The cubic root of 94219993 is about 455.0380244356.

The spelling of 94219993 in words is "ninety-four million, two hundred nineteen thousand, nine hundred ninety-three".